// 正常情况下样式
:global {
  .parentBox {
    margin: 0 auto;
    position: relative;
    &:after {
      content: '';
      clear: both;
      display: block;
    }
    .rectMenu {
      display: none;
      position: fixed;
      z-index: 999;
      top: 50%;
      width: 32px;
      height: 64px;
      line-height: 64px;
      text-align: center;
      margin-top: -32px;
      background: #ffffff;
      box-shadow: 8px 0 8px 0 rgba(0, 0, 0, 0.1);
      border-radius: 0 8px 8px 0;
      cursor: pointer;
      .rectIcon {
        background-image: url('../../assets/icon/back_blank.png');
        background-size: cover;
        background-repeat: no-repeat;
        transition: all 0.5s;
        width: 14px;
        height: 14px;
        position: absolute;
        top: 25px;
        left: 9px;
        &.rectIconHidden {
          transform: rotate(180deg);
        }
      }
    }
  }
}